MUSCULOSKELETAL/RHEUM Flashcards Preview

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Flashcards in MUSCULOSKELETAL/RHEUM Deck (118)
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1

Mechanism in anterior shoulder dislocation

Posteriorly directed force on distal humerus or forearm during abduction drives humeral head forward and tears anterior shoulder capsule

2

Most common mechanisms in posterior shoulder dislocation

Seizures and electrical shock

3

Unhappy triad

Medial meniscus tear
MCL
ACL

4

Emergent fasciotomy for compartment pressures at what level?

>30 mm Hg or within 20 mm Hg of DBP

5

Distal radius is displaced in what direction in a smith fracture

Anteriorly

6

What is a montage fracture

Dislocation of radial head and ulnar diaphysial fracture -- "nightstick injury"

7

Galeazzi fracture

Distal radio-ulnar joint dislocation and radial diaphyseal fracture

8

Which fx has high risk for compartment syndrome

Tibial

9

Complication of pelvic fx

High risk of major blood loss

10

MOA of teriparatide

Recombinant human parathyroid hormone. Used in pulsatile fashion it stimulates osteoblasts and bone remodeling.

11

Increased bone density caused by impaired osteoclast activity

Osteopetrosis

12

Labs in osteopetrosis

Decreased H&H due to narrowing of marrow cavities
Increased acid phosphatase
Increased CK

13

Labs in Pagets

Increased alk phos and urine hydroxyproline
Normal calcium and phosphorous

14

What kind of lesions caused by pages disease

OsteoLYTIC

15

What kind of lesions in prostate cancer bone mets

OsteoBLASTIC

16

MOA of allopurinol

Inhibits uric acid formation

17

MOA of probenecid

Inhibits kidney uric acid resorption

18

Xray shows chonedrocalcinosis in knee and wrist

PSeudogout!

19

Tx of pseudogout

NSAIDs and colchicine

20

Joint aspiration shows 5000-50000 leukocytes

Inflammatory arthrpathies like RA, gout, or pseudo gout

21

Tx for lyme

Doxy or amoxicillin in early disease
Cefuroxime for advanced disease

22

Bouchard nods

PIP

23

Heberden nodes

DIP joint

24

DIP joints are spared in OA or RA?

RA

25

Flexed DIP plus hyperextended PIP

Swan neck deformity (RA)

26

Flexed PIP

Boutonnniere deformities seen in RA

27

Anticitrulline-containing protein IgM antibodies

RA

28

Anti-Jo-1 antibodies

Polymyositis or dermatomyositis

29

Anti-scl-70, ANA

Scleroerma

30

Anti-centromere antibodies

CREST syndrome